PT-2026-79602

In the Linux kernel, the following vulnerability has been resolved: ip6 tunnel: clear skb2-cb in ip6ip6 err ip6ip6 err clones an outer IPv6 ICMP error skb, pulls it to the quoted inner IPv6 packet, and then passes the clone to icmpv6 send. The clone still carries the outer packet's inet6 skb parm...

PT-2026-79621

In the Linux kernel, the following vulnerability has been resolved: xdp: reject clones that overrun skb shared info tailroom xdpf clone clones broadcast copies into a single page and sets frame sz to PAGE SIZE. xdp build skb from frame later treats that page like a normal XDP frame and expects th...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: net: skbuff: Fixed an issue where a missing zerocopy reference was present in the pskbcarve helpers. Both pskbcarveinsideheader and pskbcarveinsidenonlinear copy the old skbsharedinfo header into a new buffer using memcpy. Thi...

CVE-2026-64355 bpf: Reject fragmented frames in devmap

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject fragmented frames in devmap Devmap broadcast redirects clone the packet for all but the last destination. For native XDP, that clone path copies only the linear xdpframe data, while fragmented frames keep skbsharedinf...

EUVD-2026-38732

In the Linux kernel, the following vulnerability has been resolved: net: skbuff: fix missing zerocopy reference in pskbcarve helpers pskbcarveinsideheader and pskbcarveinsidenonlinear both copy the old skbsharedinfo header into a new buffer via memcpy, which includes the destructorarg pointer uar...

MiracleLinux 8 : kernel-4.18.0-553.125.1.el8_10 (AXBA:2026-723:38)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXBA:2026-723:38 advisory. - In the Linux kernel, the following vulnerability has been resolved: net: skbuff: preserve shared-frag marker during coalescing skbtrycoalesce can...

Important: kernel-livepatch-6.1.168-202.320

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net: skbuff: propagate shared-frag marker through pskbcopy CVE-2026-46300 Affected Packages: kernel-livepatch-6.1.168-202.320 Issue Correction: Please ensure you have live patching enabled. Run dnf update...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: bpf, testrun: Fixed an alignment issue in bpfprogtestrunskb. We encountered a syzkaller issue due to an alignment fault for aarch64 architectures when KFENCE is enabled. When the size provided by the user’s bpf program is an o...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15, and Linux 6.1

An integer overflow flaw was discovered in the Linux kernel. This issue causes the kernel to allocate skbsharedinfo in the user space, which can be exploited in systems without SMAP protection, as skbsharedinfo contains references to function pointers...

CVE-2026-43093

A flaw was found in the Linux kernel's xsk AFXDP subsystem due to insufficient validation of the User Memory UMEM headroom. This vulnerability could lead to memory corruption, specifically the skbsharedinfo data structure, if multi-buffer is enabled. Such corruption could result in system...

CVE-2026-43093

In the Linux kernel, the following vulnerability has been resolved: xsk: tighten UMEM headroom validation to account for tailroom and min frame The current headroom validation in xdpumemreg could leave us with insufficient space dedicated to even receive minimum-sized ethernet frame. Furthermore ...

SUSE CVE-2025-38165

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix panic when calling skblinearize The panic can be reproduced by executing the command: ./bench sockmap -c 2 -p 1 -a --rx-verdict-ingress --rx-strp 100000 Then a kernel panic was captured: ''' 657.460555 kernel BU...

CVE-2023-53667

In the Linux kernel, the following vulnerability has been resolved: net: cdcncm: Deal with too low values of dwNtbOutMaxSize Currently in cdcncmchecktxmax, if dwNtbOutMaxSize is lower than the calculated "min" value, but greater than zero, the logic sets txmax to dwNtbOutMaxSize. This is then use...

Linux Distros Unpatched Vulnerability : CVE-2025-38545

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: net: ethernet: ti: am65-cpsw-nuss: Fix skb size by accounting for skbsharedinfo While...

SUSE CVE-2025-38545

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: ti: am65-cpsw-nuss: Fix skb size by accounting for skbsharedinfo While transitioning from netdevallocipalign to buildskb, memory for the "skbsharedinfo" member of an "skb" was not allocated. Fix this by allocating...

UBUNTU-CVE-2025-38545

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: ti: am65-cpsw-nuss: Fix skb size by accounting for skbsharedinfo While transitioning from netdevallocipalign to buildskb, memory for the "skbsharedinfo" member of an "skb" was not allocated. Fix this by allocating...

CVE-2025-38545

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: ti: am65-cpsw-nuss: Fix skb size by accounting for skbsharedinfo While transitioning from netdevallocipalign to buildskb, memory for the "skbsharedinfo" member of an "skb" was not allocated. Fix this by allocating...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a failure to consider the skbsharedinfo memory space, which could result in a buffer error...

kernel: eth: bnxt: fix truesize for mb-xdp-pass case

In the Linux kernel, the following vulnerability has been resolved: eth: bnxt: fix truesize for mb-xdp-pass case When mb-xdp is set and return is XDPPASS, packet is converted from xdpbuff to skbuff with xdpupdateskbsharedinfo in bnxtxdpbuildskb. bnxtxdpbuildskb passes incorrect truesize argument ...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: eth: bnxt: Do not update the checksum in bnxtxdpbuildskb. The bnxtrxpkt function updates the ipsummed value at the end if the checksum offload is enabled. When the XDP-MB program is executed and returns XDPPASS, the bnxtxdpbuilds...